Home / 1,222,754,693.80-1,834,132,040.70-814,608,005.80

Finding the Fourth Proportional to 1,222,754,693.80, 1,834,132,040.70 and 814,608,005.80

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Solution

The fourth proportional to 1,222,754,693.80, 1,834,132,040.70 and 814,608,005.80 is: 1,221,912,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,754,693.80 : 1,834,132,040.70 = 814,608,005.80 : x
  2. Step 2: Convert to fraction form
    1,222,754,693.80/1,834,132,040.70 = 814,608,005.80/x
  3. Step 3: Cross multiply
    1,222,754,693.80x = 1,834,132,040.70 × 814,608,005.80
  4. Step 4: Simplify right side
    1,222,754,693.80x = 1,494,098,644,048,511,488
  5. Step 5: Solve for x
    x = 1,494,098,644,048,511,488/1,222,754,693.80
  6. Step 6: Final answer
    x = 1,221,912,008.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.